8. Troubleshooting
9700-A2-GB20-20 December 2002 8-19
PVC Loopback
The PVC Loopback loops frames back to the selected interface on a per-PVC
basis. This test logically (not physically) loops back frames received from another
FrameSaver device through the selected frame relay PVC to the same device.

Main Menu Test Net work PVC Tests

Main Menu Test Data Port PVC Tests

Send Pattern
This test sends packets filled with a hexadecimal 55 test pattern and sequence
number over the selected interface and DLCI to another FrameSaver device. To
send a pattern test on a link:

Main Menu Test [Ne twork PVC Tests/Data Port PVC Tests]

If the CIR is zero, the pattern will be sent at a rate of 1000 bps.
98-16186
DTE
Network
PVC #
x
Network PVC Loopback
PVC #
x
PVC #
x
DTE
Network
98-16187
Port PVC Loopback
PVC #
x
If the selected
DLCIis configured as . . . Then . . .
And the default
Rate (Kbps) setting is . . .
Standard (Disruptive) appears
after Test
100% of CIR
Multiplexed (Non-Disruptive)
appears after Test
10% of CIR